2013-08-01 01:30:07 [SEVERE] Could not load 'plugins/SparkTrail (4).jar' in folder 'plugins'
org.bukkit.plugin.InvalidDescriptionException: Invalid plugin.yml
	at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:247)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:132)
	at org.bukkit.craftbukkit.v1_6_R2.CraftServer.loadPlugins(CraftServer.java:243)
	at net.minecraft.server.v1_6_R2.DedicatedServer.init(DedicatedServer.java:117)
	at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:397)
	at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.io.FileNotFoundException: Jar does not contain plugin.yml
	... 6 more